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[fdb] Support 128bit write granularity for kvdb (#250) 

* Support 128bit write granularity

The new stm32h5xx chips can only write quad words, i.e. 128bits.

* Update fdb_tsdb.c to include 128bit option
* Update fdb_cfg.h to include 64bit and 128bit option.
This commit is contained in:
tinic 2023-10-16 19:01:43 -07:00 committed by GitHub
parent 12f3960307
commit 7bdef5eab7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 10 additions and 7 deletions
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2
inc/fdb_cfg.h
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@ -28,7 +28,7 @@
#ifdef FDB_USING_FAL_MODE
/* the flash write granularity, unit: bit
* only support 1(nor flash)/ 8(stm32f2/f4)/ 32(stm32f1) */
* only support 1(nor flash)/ 8(stm32f2/f4)/ 32(stm32f1)/ 64(stm32f7)/ 128(stm32h5) */
#define FDB_WRITE_GRAN /* @note you must define it for a value */
#endif

11
src/fdb_kvdb.c
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@ -27,8 +27,8 @@
#error "Please configure flash write granularity (in fdb_cfg.h)"
#endif
#if FDB_WRITE_GRAN != 1 && FDB_WRITE_GRAN != 8 && FDB_WRITE_GRAN != 32 && FDB_WRITE_GRAN != 64
#error "the write gran can be only setting as 1, 8, 32 and 64"
#if FDB_WRITE_GRAN != 1 && FDB_WRITE_GRAN != 8 && FDB_WRITE_GRAN != 32 && FDB_WRITE_GRAN != 64 && FDB_WRITE_GRAN != 128
#error "the write gran can be only setting as 1, 8, 32, 64 and 128"
#endif
/* magic word(`F`, `D`, `B`, `1`) */
@ -105,8 +105,8 @@ struct sector_hdr_data {
uint32_t magic; /**< magic word(`E`, `F`, `4`, `0`) */
uint32_t combined; /**< the combined next sector number, default: not combined */
uint32_t reserved;
#if (FDB_WRITE_GRAN == 64)
uint8_t padding[4]; /**< align padding for 64bit write granularity */
#if (FDB_WRITE_GRAN == 64) || (FDB_WRITE_GRAN == 128)
uint8_t padding[4]; /**< align padding for 64bit and 128bit write granularity */
#endif
};
typedef struct sector_hdr_data *sector_hdr_data_t;
@ -121,6 +121,9 @@ struct kv_hdr_data {
#if (FDB_WRITE_GRAN == 64)
uint8_t padding[4]; /**< align padding for 64bit write granularity */
#endif
#if (FDB_WRITE_GRAN == 128)
uint8_t padding[12]; /**< align padding for 128bit write granularity */
#endif
};
typedef struct kv_hdr_data *kv_hdr_data_t;

4
src/fdb_tsdb.c
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@ -25,8 +25,8 @@
#if defined(FDB_USING_TSDB)
#if (FDB_WRITE_GRAN == 64)
#error "Flash 64 bits write granularity is not supported in TSDB yet!"
#if (FDB_WRITE_GRAN == 64) || (FDB_WRITE_GRAN == 128)
#error "Flash 64 or 128 bits write granularity is not supported in TSDB yet!"
#endif
/* magic word(`T`, `S`, `L`, `0`) */